Toxoneuron (Hymenoptera: Braconidae): Designation of a Neotype for Its Type Species, T. viator and Discovery of a Possible Senior Synonym of its Best Known Species, T. nigriceps

Authors: Mercado, I.; Wharton, R. A.

Source: Annals of the Entomological Society of America, Volume 93, Number 2, March 2000 , pp. 208-219(12)

Publisher: Entomological Society of America

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Abstract:

A neotype is designated for Bracon (Toxoneuron) viator Say and a detailed redescription is provided. A lectotype for Toxoneuron bicolor Szépligeti is also designated, and the transfer of Cardiochiles nigriceps Viereck to the genus Toxoneuron is discussed. Morphological differences between T. bicolor and T. nigriceps are very minor, suggesting a potential synonymy, with bicolor as the senior synonym. Though biological data on T. bicolor are lacking, distributional data indicate that differences in host specificity could be used to elucidate the relationship between these 2 nominal species.

Keywords: Toxoneuron viator; Toxoneuron bicolor; Toxoneuron nigriceps; Cardiochiles; Heliothis virescens; Helicoverpa zea

Document Type: Research article

Publication date: 2000-03-01

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Annals of the Entomological Society of America is published in January, March, May, July, September, and November. Annals especially invites submission of manuscripts that integrate different areas of insect biology, and address issues that are likely to be of broad relevance to entomologists. Articles also report on basic aspects of the biology of arthropods, divided into categories by subject matter: systematics; ecology and population biology; arthropod biology; arthropods in relation to plant diseases; conservation biology and biodiversity; physiology, biochemistry, and toxicology; morphology, histology, and fine structure; genetics; and behavior.
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